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Serjik [45]
3 years ago
11

What is animal nervous system​

Biology
1 answer:
fredd [130]3 years ago
7 0

Explanation:

The nervous system is the part of an animal's body that coordinates its behavior and transmits signals between different body areas.

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What phenomenon occurs in females as a result of x-chromosomes inactivation
Arada [10]

This happens early in embryonic development in females, where one of the two X-Chromosomes is randomly (and permanently) inactivated, as you said, in cells other than egg cells.

This phenomonon is actually called X-Inactivation.

X-Inactivation make sure that females, just like males, have a single functional copy of the X Chromosome in each and every one of their cells in their body.

Glad I could help, byee now

3 0
3 years ago
What does the formula for table salt indicate about that compound?
Ad libitum [116K]

It indicates what elements is composed by and how many atoms of one element are linked to the other.

For example, this is the formula for table salt is:

NaCl

The formula indicates that table salt (sodium chloride) is composed by sodium (Na) and chlorine (Cl) on a 1:1 ratio.


Hope it helped,


BioTeacher101

8 0
3 years ago
What is not a function of the endomembrane system of the cell?
mina [271]
<span>In your cell, this is where the endomembrane system comes in a cell image because one is studded with small ribosomes and one is not.it does not help the cell move.IT IS not a function of the endomembrane system of the cell</span>
5 0
3 years ago
In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote i
allochka39001 [22]

Answer:

A) tortoiseshell female; black male

Explanation:

Females have two X chromosomes and males have an X and a Y chromosome.

<u>The possible genotypes and phenotypes are</u>:

  • XᵒXᵒ: black female
  • XᵒY: black male
  • XᴼXᴼ: orange female
  • XᴼY: orange male
  • XᵒXᴼ: tortoiseshell female

<u>Cross of a black female and an orange male</u>

<h3>XᵒXᵒ  x  XᴼY</h3>

The female only produces Xᵒ gametes. The male produces Xᴼ and Y.

The possible offspring therefore is:  XᵒXᴼ (tortoiseshell females) and XᵒY (black males). The answer is A.

5 0
3 years ago
If a geologist found two fossils of different species buried next to each other in a rock layer he or she might hypothesize that
katrin [286]
I believe the answer to be true

BUT I AM NOT 100% SURE!
5 0
3 years ago
Read 2 more answers
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